just try to delete
<Url>http://lolcdn.leagueoflegends.com/h2f4b5v4/cds/patcher/lol/</Url>
from launcher_config

say if it help

Works for me. At least it is trying to patch up now not playing mr. Eskimo anymore.

For those that don;t understand the procedure:

In you instal directory. (C:\Riotgames\League of legends\ by Default)
- Open Launcher_config.xml with any text editor like Notepad.
- Go to the section marked by <Launcher> </Launcher> near the top.
- between these two tags, find the tag <URL>.
- Delete everything between the <URL> and </URL> tag including the tags itself.
- Save the file.
- Start the game.

It did work for me I got this launcher cgrash yesterday, I was playing the game fine the days before. I wasted a whole day trying to find how to solve the problem and it seems the above post was my miracle, just deleting 1 line and it worked xD...pls sticky!!!

Works for me. At least it is trying to patch up now not playing mr. Eskimo anymore.

For those that don;t understand the procedure:

In you instal directory. (C:\Riotgames\League of legends\ by Default)
- Open Launcher_config.xml with any text editor like Notepad.
- Go to the section marked by <Launcher> </Launcher> near the top.
- between these two tags, find the tag <URL>.
- Delete everything between the <URL> and </URL> tag including the tags itself.
- Save the file.
- Start the game.